Separates Into SubModules

instances/instance.tf

@@ -0,0 +1,103 @@
+terraform {
+  required_providers {
+    aws = {
+      source = "hashicorp/aws"
+      version = "5.17.0"
+      configuration_aliases = [ aws.main ]
+    }
+  }
+}
+
+
+# EC2 Instances
+
+resource "aws_key_pair" "ssh_key_main" {
+    key_name = "ssh_key_main"
+    public_key = var.ssh_public_key_main
+}
+
+resource "aws_key_pair" "ssh_key_ci_cd" {
+    key_name = "ssh_key_ci_cd"
+    public_key = var.ssh_public_key_ci_cd
+}
+
+locals {
+    ports_in = [
+        22,
+        80,
+        443,
+        6443,
+        10250
+    ]
+    ports_out = [
+        0,
+    ]
+}
+
+resource "aws_security_group" "project_pool" {
+    name = "${var.project_name}_pool_security_group"
+    description = "Security group for project pool"
+
+    dynamic "egress" {
+        for_each = toset(local.ports_out)
+        content {
+            from_port = egress.value
+            to_port = egress.value
+            protocol = "tcp"
+            cidr_blocks = ["0.0.0.0/0"]
+        }
+    }
+
+    dynamic "ingress" {
+        for_each = toset(local.ports_in)
+        content {
+            from_port = ingress.value
+            to_port = ingress.value
+            protocol = "tcp"
+            cidr_blocks = ["0.0.0.0/0"]
+        }
+    }
+}
+
+resource "aws_instance" "main" {
+    ami = "ami-0af6e9042ea5a4e3e"
+    instance_type = "t3a.medium"
+    vpc_security_group_ids = [ aws_security_group.project_pool.id ]
+
+    key_name = aws_key_pair.ssh_key_main.key_name
+
+    user_data   = templatefile("${path.module}/scripts/setup_main.sh", {
+        extra_key = aws_key_pair.ssh_key_ci_cd.public_key
+        k3s_token = var.k3s_token
+    })
+
+    tags = {
+        Name = "${var.project_name}-main"
+    }
+}
+
+resource "aws_instance" "worker" {
+    ami = "ami-0af6e9042ea5a4e3e"
+    instance_type = "t2.micro"
+    vpc_security_group_ids = [ aws_security_group.project_pool.id ]
+    count = var.number_of_workers
+
+    key_name = aws_key_pair.ssh_key_main.key_name
+
+    user_data   = templatefile("${path.module}/scripts/setup_worker.sh", {
+        extra_key = aws_key_pair.ssh_key_ci_cd.public_key
+        k3s_token = var.k3s_token
+        k3s_cluster_ip = var.project_domain
+    })
+
+    tags = {
+        Name = "${var.project_name}-worker-${count.index+1}"
+    }
+}
+
+
+# OUTPUTS
+
+output "pool_master_public_ip" {
+    value = aws_instance.main.public_ip
+}